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190993 Sigma-Aldrich

Poly(4-methyl-1-pentene)

medium molecular weight

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Properties

Related Categories Butene and Higher, Hydrophobic Polymers, Materials Science, Olefins, Polymer Science,
melt index   26 g/10 min (260°C/5kg)
impact strength   3 kg.cm/cm2 (Izod, ASTM D 256)
dielectric constant   2.12, 100 MHz (ASTM D 150)
hardness   80 (Rockwell R, ASTM D 758)
refractive index   n20/D 1.463
mp   235 °C
transition temp   softening point 178 °C (Vicat, ASTM D 1525)
density   0.835 g/mL at 25 °C

Description

Application

Coating for paper food containers for microwave and conventional ovens. Release coatings for food and synthetic leather. Molded into medical labware. Film for decorative laminates and printed circuit boards.

Packaging

500 g in poly bottle

Features and Benefits

Very low specific gravity, high transparency, resistant to oxidation and prone to stress cracking. Good electrical insulator.

Physical form

Crystalline, isotactic.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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